URL: https://www.duolingo.com/
Submission: On November 03 via manual from BE — Scanned from DE

Summary

This website contacted 19 IPs in 4 countries across 14 domains to perform 87 HTTP transactions. The main IP is 52.44.205.160, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is www.duolingo.com. The Cisco Umbrella rank of the primary domain is 21237.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on November 21st 2021. Valid for: a year.
This is the only time www.duolingo.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

Apex Domain
Subdomains
Transfer
36 cloudfront.net
d35aaqx5ub95lt.cloudfront.net
685 KB
26 duolingo.com
www.duolingo.com — Cisco Umbrella Rank: 21237
excess.duolingo.com — Cisco Umbrella Rank: 12289
stories.duolingo.com — Cisco Umbrella Rank: 17262
brb.duolingo.com — Cisco Umbrella Rank: 12724
zombie.duolingo.com — Cisco Umbrella Rank: 14309
17 KB
5 cookielaw.org
cdn.cookielaw.org — Cisco Umbrella Rank: 635
116 KB
4 lmepbq.com
s.lmepbq.com — Cisco Umbrella Rank: 92954
61 KB
2 google.de
www.google.de — Cisco Umbrella Rank: 3590
655 B
2 google.com
www.google.com — Cisco Umbrella Rank: 17
1 KB
2 doubleclick.net
googleads.g.doubleclick.net — Cisco Umbrella Rank: 66
stats.g.doubleclick.net — Cisco Umbrella Rank: 166
2 KB
2 adalyser.com
c0.adalyser.com — Cisco Umbrella Rank: 42574
13 KB
2 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 180
112 KB
2 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 97
20 KB
1 facebook.com
www.facebook.com — Cisco Umbrella Rank: 107
185 B
1 googleadservices.com
www.googleadservices.com — Cisco Umbrella Rank: 156
2 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 121
85 KB
1 onetrust.com
geolocation.onetrust.com — Cisco Umbrella Rank: 1038
303 B
87 14
Domain Requested by
36 d35aaqx5ub95lt.cloudfront.net www.duolingo.com
d35aaqx5ub95lt.cloudfront.net
18 excess.duolingo.com d35aaqx5ub95lt.cloudfront.net
5 cdn.cookielaw.org www.duolingo.com
cdn.cookielaw.org
d35aaqx5ub95lt.cloudfront.net
4 s.lmepbq.com www.duolingo.com
s.lmepbq.com
d35aaqx5ub95lt.cloudfront.net
4 www.duolingo.com d35aaqx5ub95lt.cloudfront.net
2 www.google.de www.duolingo.com
2 www.google.com 1 redirects www.duolingo.com
2 c0.adalyser.com www.duolingo.com
2 connect.facebook.net www.duolingo.com
connect.facebook.net
2 www.google-analytics.com www.googletagmanager.com
d35aaqx5ub95lt.cloudfront.net
2 stories.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 www.facebook.com www.duolingo.com
1 stats.g.doubleclick.net d35aaqx5ub95lt.cloudfront.net
1 googleads.g.doubleclick.net 1 redirects
1 www.googleadservices.com www.googletagmanager.com
1 zombie.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 brb.duolingo.com d35aaqx5ub95lt.cloudfront.net
1 www.googletagmanager.com d35aaqx5ub95lt.cloudfront.net
1 geolocation.onetrust.com cdn.cookielaw.org
87 19
Subject Issuer Validity Valid
*.duolingo.com
Go Daddy Secure Certificate Authority - G2
2021-11-21 -
2022-12-23
a year crt.sh
cookielaw.org
Cloudflare Inc ECC CA-3
2022-05-01 -
2023-05-01
a year crt.sh
lmepbq.com
R3
2022-10-27 -
2023-01-25
3 months crt.sh
*.cloudfront.net
Amazon
2022-02-01 -
2023-01-31
a year crt.sh
onetrust.com
Cloudflare Inc ECC CA-3
2022-01-12 -
2023-01-12
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2022-10-17 -
2023-01-09
3 months crt.sh
www.googleadservices.com
GTS CA 1C3
2022-10-17 -
2023-01-09
3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2022-08-12 -
2022-11-10
3 months crt.sh
*.adalyser.com
Thawte RSA CA 2018
2022-06-10 -
2023-07-11
a year crt.sh
*.g.doubleclick.net
GTS CA 1C3
2022-09-26 -
2022-12-19
3 months crt.sh
www.google.com
GTS CA 1C3
2022-09-26 -
2022-12-19
3 months crt.sh
www.google.de
GTS CA 1C3
2022-09-26 -
2022-12-19
3 months crt.sh

This page contains 2 frames:

Primary Page: https://www.duolingo.com/
Frame ID: A3B2D518986195C5FDC13FA4BBA4DCE5
Requests: 76 HTTP requests in this frame

Frame: blob://https://www.duolingo.com/33f5acfb-c64d-4660-af77-49d102c40309
Frame ID: 065B3FE8B22B86B5677028FADAA9AFF8
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

Duolingo - Die weltbeste Methode, eine Sprache zu lernenbadge-app-storebadge-app-store

Detected technologies

Overall confidence: 100%
Detected patterns
  • <[^>]+data-react

Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js

Overall confidence: 100%
Detected patterns
  • cdn\.cookielaw\.org
  • otSDKStub\.js

Page Statistics

87
Requests

97 %
HTTPS

58 %
IPv6

14
Domains

19
Subdomains

19
IPs

4
Countries

1112 kB
Transfer

3513 kB
Size

21
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 75
  • https://googleads.g.doubleclick.net/pagead/viewthroughconversion/397119219/?random=365080308&cv=11&fst=1667459383727&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&value=1&auid=1707755095.1667459384&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&ocp_id=N2ljY5-_MOX2xgLB0qSICQ&sscte=1&crd=&eitems=ChEI8M2NmwYQ0ry55cL74MLhARIdAJw8BODk6u7mKf6EFTwut4kT3avznhWNrdcl8Vw&pscrd=Ek5DaEFJOE0yTm13WVFpSzczNnV1U2k5Rk5FaVlBM1R2MnQtaktyN0Y4OTVsWWFYU0UydVNSQTFqOFdCZWNGOTNfN3JLUmxtTWl6ZFdkMUEaWkNoRUk4TTJObXdZUTl1VFAxcmk4bVBQMUFSSXVBTkhTWkNqTTVTTE9Xc2haZjZvX05vOW4yMC15dGI2RXhZb0UxTVRvaGJ0bU4ycnFndEY4clFrdEZ0VjVJdw HTTP 302
  • https://www.google.com/pagead/1p-conversion/397119219/?random=365080308&cv=11&fst=1667459383727&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&value=1&auid=1707755095.1667459384&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek5DaEFJOE0yTm13WVFpSzczNnV1U2k5Rk5FaVlBM1R2MnQtaktyN0Y4OTVsWWFYU0UydVNSQTFqOFdCZWNGOTNfN3JLUmxtTWl6ZFdkMUEaWkNoRUk4TTJObXdZUTl1VFAxcmk4bVBQMUFSSXVBTkhTWkNqTTVTTE9Xc2haZjZvX05vOW4yMC15dGI2RXhZb0UxTVRvaGJ0bU4ycnFndEY4clFrdEZ0VjVJdw&is_vtc=1&ocp_id=N2ljY5-_MOX2xgLB0qSICQ&eitems=ChEI8M2NmwYQ0ry55cL74MLhARIdAJw8BOBL_zOlDxGzNuTOLHr0i5S61jI3dWDw0iw&random=2011120817 HTTP 302
  • https://www.google.de/pagead/1p-conversion/397119219/?random=365080308&cv=11&fst=1667459383727&bg=ffffff&guid=ON&async=1&gtm=2wgav0&u_w=1600&u_h=1200&label=k0ETCJGBvf0BEPOdrr0B&hn=www.googleadservices.com&frm=0&url=https%3A%2F%2Fwww.duolingo.com%2F&tiba=Duolingo%20-%20Die%20weltbeste%20Methode%2C%20eine%20Sprache%20zu%20lernen&value=1&auid=1707755095.1667459384&fmt=3&ctc_id=CAIVAgAAAB0CAAAA&ct_cookie_present=false&sscte=1&crd=&pscrd=Ek5DaEFJOE0yTm13WVFpSzczNnV1U2k5Rk5FaVlBM1R2MnQtaktyN0Y4OTVsWWFYU0UydVNSQTFqOFdCZWNGOTNfN3JLUmxtTWl6ZFdkMUEaWkNoRUk4TTJObXdZUTl1VFAxcmk4bVBQMUFSSXVBTkhTWkNqTTVTTE9Xc2haZjZvX05vOW4yMC15dGI2RXhZb0UxTVRvaGJ0bU4ycnFndEY4clFrdEZ0VjVJdw&is_vtc=1&ocp_id=N2ljY5-_MOX2xgLB0qSICQ&eitems=ChEI8M2NmwYQ0ry55cL74MLhARIdAJw8BOBL_zOlDxGzNuTOLHr0i5S61jI3dWDw0iw&random=2011120817&ipr=y&prhg=0

87 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.duolingo.com/
9 KB
4 KB
Document
General
Full URL
https://www.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.44.205.160 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-44-205-160.compute-1.amazonaws.com
Software
duo-api /
Resource Hash
779ac70432ad0dfde3dc0485abb5ad5cae919898eab3775509bcf4a8c1ac734c
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

cache-control
no-store, no-cache, must-revalidate, proxy-revalidate
content-encoding
gzip
content-type
text/html; charset=UTF-8
date
Thu, 03 Nov 2022 07:09:43 GMT
expires
0
no-retry
1
pragma
no-cache
server
duo-api
surrogate-control
no-store
x-duo-request-host
www.duolingo.com
x-envoy-upstream-service-time
24
x-frame-options
SAMEORIGIN
x-ipcountry
US
x-runtime
0.02157
x-tid
ffff67b1636368e300be
x-ws
UK
otSDKStub.js
cdn.cookielaw.org/scripttemplates/
21 KB
8 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9540 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
bbc4456bca95006683a8f081d0d2ed645eef5b14c62eca12c70f7e1cec26c1a0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Thu, 03 Nov 2022 07:09:43 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
e0VkrpV+7zqDAjQ/RMXPsw==
age
11939
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
7151
x-ms-lease-status
unlocked
last-modified
Wed, 02 Nov 2022 06:39:34 GMT
server
cloudflare
etag
0x8DABC9D01A61A76
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
0c76a26d-d01e-0136-188e-ee33e1000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
max-age=14400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
76434938ea1ebbf8-FRA
clear.js
s.lmepbq.com/ag/891112/
15 KB
9 KB
Script
General
Full URL
https://s.lmepbq.com/ag/891112/clear.js?ck=4b0f1a06-7595-41e3-8009-76f9a0859ddd&spa=1&dt=8911121635444670059000&mo=2&pd=acc
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
18.203.96.5 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-18-203-96-5.eu-west-1.compute.amazonaws.com
Software
/
Resource Hash
5c58418c628f01784646bb854f2cd41b1be0233f6b164e08850249064eeed85a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

Pragma
no-cache
Date
Thu, 03 Nov 2022 07:09:42 GMT
Strict-Transport-Security
max-age=31536000; includeSubDomains
Content-Encoding
gzip
Accept-Ch
Viewport-Width, Viewport-Height, Width, DPR, RTT, ECT, Device-Memory, Downlink, Save-Data
Vary
*
Content-Type
text/javascript; charset=utf-8
Cache-Control
no-cache, no-store, must-revalidate, no-transform, private, max-age=0
Timing-Allow-Origin
*
Content-Length
8673
Expires
0
manifest-3c2d42ad.js
d35aaqx5ub95lt.cloudfront.net/js/
10 KB
6 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/manifest-3c2d42ad.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2250:5e00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
9cfb9ae7c58097f3e2d1f64408ebbc530e4c0c00516d2a420fb8f8f2a541fa4f

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date
Fri, 28 Oct 2022 20:10:50 GMT
content-encoding
gzip
via
1.1 d13436be9e793d00b0273db3f7904816.cloudfront.net (CloudFront)
last-modified
Fri, 28 Oct 2022 19:37:43 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P2
age
471534
etag
"f0cee1c6f68e075d2a8d48e09d745d5b"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
5399
x-amz-cf-id
LPlakIOswQreXfp26hs4rU374oHjdzgPmHl_mYexmXmHQLz2schrpg==
features-f29cd808.js
d35aaqx5ub95lt.cloudfront.net/js/
1 KB
890 B
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/features-f29cd808.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2250:5e00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
b8f2cea67349de6d4f60df597c0693f4c04ce86114f22e54c7c421f82d8e603b

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date
Wed, 19 Oct 2022 19:25:27 GMT
content-encoding
gzip
via
1.1 d13436be9e793d00b0273db3f7904816.cloudfront.net (CloudFront)
last-modified
Wed, 19 Oct 2022 19:21:35 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P2
age
1251857
etag
"5bb8b8b26522b09551bed6a4ac509330"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
493
x-amz-cf-id
pFVSmYUJmpHP7SQ1NFC6NCmx335KxUvDbFDkkcw0qVloGp9SuEaQeA==
1374-596d8a2b.js
d35aaqx5ub95lt.cloudfront.net/js/
32 KB
12 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/1374-596d8a2b.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2250:5e00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
c915fa57c2a5b3d6d88f45b6680ca61c6d0ef5827b845d5a9226d90f7241303f

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date
Wed, 12 Oct 2022 19:26:13 GMT
content-encoding
gzip
via
1.1 d13436be9e793d00b0273db3f7904816.cloudfront.net (CloudFront)
last-modified
Wed, 12 Oct 2022 19:20:41 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P2
age
1856611
etag
"39e2493e8253542420021efa258e38cc"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
12064
x-amz-cf-id
fsr1uF3hkW_0Gty-TjbQmyoNw8s98hA5K6kIkjQ8UrTYq5wbLLZVdQ==
polyfills-a5c3c1f6.js
d35aaqx5ub95lt.cloudfront.net/js/
459 B
669 B
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/polyfills-a5c3c1f6.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2250:5e00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
a4281cfacc2499c6847a64589aa0df6d5bb029a5767fcd7327b7e3cfbd83d798

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date
Wed, 28 Sep 2022 19:37:41 GMT
content-encoding
gzip
via
1.1 d13436be9e793d00b0273db3f7904816.cloudfront.net (CloudFront)
last-modified
Wed, 28 Sep 2022 19:19:57 GMT
server
AmazonS3
x-amz-cf-pop
FRA60-P2
age
3065523
etag
"ff2964686cebfb27d51faa04d19f1b7f"
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-type
application/javascript
cache-control
max-age=315360000
accept-ranges
bytes
content-length
273
x-amz-cf-id
RwNgytf3t8npOB3fnJvflSz6ttRqS_8DJdC4oCmqwqmH9uUGVifqxA==
2867-14d77c75.js
d35aaqx5ub95lt.cloudfront.net/js/
264 KB
89 KB
Script
General
Full URL
https://d35aaqx5ub95lt.cloudfront.net/js/2867-14d77c75.js
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2250:5e00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
484a4e299bb673872bfb97d37e538f9f0bdbbb4ec8789bd5454fb882e76aab1d

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
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content-encoding
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content-encoding
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accept-language
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content-encoding
gzip
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2600:9000:2250:5e00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
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content-encoding
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cache-control
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content-encoding
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content-encoding
gzip
via
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last-modified
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AmazonS3
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FRA60-P2
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content-encoding
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cf-cache-status
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H2
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TLS 1.3, , AES_128_GCM
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accept-language
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Response headers

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strict-transport-security
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Protocol
H2
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TLS 1.3, , AES_128_GCM
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Request headers

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content-encoding
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Software
Jetty(9.2.z-SNAPSHOT) /
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Request headers

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*/*
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content-type
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cors
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accept-encoding
gzip, identity
access-control-allow-headers
Content-Type, Access-Control-Allow-Headers, Authorization
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access-control-allow-origin
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Request headers

Referer
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Response headers

Access-Control-Allow-Origin
*
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Timing-Allow-Origin
*
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51 KB
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General
Full URL
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Request headers

accept-language
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User-Agent
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Response headers

Date
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Strict-Transport-Security
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br
Accept-Ch
Viewport-Width, Viewport-Height, Width, DPR, RTT, ECT, Device-Memory, Downlink, Save-Data
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2250:5e00:7:60cd:e840:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Resource Hash
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Request headers

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accept-language
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Response headers

date
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content-encoding
gzip
via
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server
AmazonS3
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accept-ranges
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Protocol
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Request headers

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Response headers

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content-encoding
gzip
via
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Server
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Full URL
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Protocol
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Request headers

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Software
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Request headers

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Response headers

date
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accept-encoding
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Response headers

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server
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Request headers

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pragma
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Response headers

date
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x-content-type-options
nosniff
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Protocol
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Response headers

date
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x-ws
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x-tid
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Response headers

date
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accept-encoding
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Request headers

Accept
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Access-Control-Request-Headers
content-type
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Response headers

accept-encoding
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Request headers

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Response headers

x-ms-blob-type
BlockBlob
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content-encoding
gzip
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nosniff
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server
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vary
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Host: d35aaqx5ub95lt.cloudfront.net
URL: https://d35aaqx5ub95lt.cloudfront.net/js/3496-f8589a03.js
Protocol
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Software
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Request headers

Referer
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accept-language
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User-Agent
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Content-Type
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Response headers

Access-Control-Allow-Origin
*
Date
Thu, 03 Nov 2022 07:09:43 GMT
Timing-Allow-Origin
*
Content-Length
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Vary
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49 KB
20 KB
Script
General
Full URL
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Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Request headers

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Response headers

strict-transport-security
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content-encoding
gzip
x-content-type-options
nosniff
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last-modified
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server
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age
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content-length
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expires
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2 KB
2 KB
Script
General
Full URL
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Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-TX6Z97C
Protocol
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Request headers

accept-language
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User-Agent
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Response headers

pragma
no-cache
date
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content-encoding
gzip
x-content-type-options
nosniff
server
cafe
content-type
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p3p
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x-xss-protection
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103 KB
28 KB
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General
Full URL
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Requested by
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URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Security Headers
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Request headers

accept-language
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Referer
https://www.duolingo.com/
User-Agent
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Response headers

content-security-policy
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date
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document-policy
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cross-origin-resource-policy
cross-origin
alt-svc
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content-length
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cache-control
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adalyser.js
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35 KB
12 KB
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General
Full URL
https://c0.adalyser.com/adalyser.js?cid=duolingo
Requested by
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URL: https://www.duolingo.com/
Protocol
H2
Security
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Request headers

accept-language
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Response headers

date
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content-encoding
gzip
x-powered-by
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content-encoding
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server
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Security
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Response headers

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server
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Protocol
H2
Server
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accept-language
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Response headers

pragma
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content-security-policy
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Redirect headers

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content-security-policy
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location
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content-length
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x-xss-protection
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expires
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293 KB
84 KB
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General
Full URL
https://connect.facebook.net/signals/config/1735692093320310?v=2.9.89&r=stable
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
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Software
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Security Headers
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

content-security-policy
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document-policy
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cross-origin
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accept-language
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Response headers

Content-Length
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Content-Type
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collect
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443 B
XHR
General
Full URL
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Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Resource Hash
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Security Headers
Name Value
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Request headers

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accept-language
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User-Agent
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Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
date
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x-content-type-options
nosniff
last-modified
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server
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content-type
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access-control-allow-origin
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cache-control
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alt-svc
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content-length
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expires
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batch
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34 B
312 B
XHR
General
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Protocol
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Request headers

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Response headers

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accept-encoding
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Full URL
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H2
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Reverse DNS
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Software
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Request headers

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*/*
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content-type
Access-Control-Request-Method
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Sec-Fetch-Mode
cors
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Response headers

accept-encoding
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POST, GET, OPTIONS
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server
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General
Full URL
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Requested by
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URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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proxygen-bolt /
Resource Hash
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Name Value
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Request headers

accept-language
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User-Agent
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Response headers

strict-transport-security
max-age=31536000; includeSubDomains
date
Thu, 03 Nov 2022 07:09:43 GMT
server
proxygen-bolt
content-type
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access-control-allow-origin
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cross-origin-resource-policy
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alt-svc
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p
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43 B
341 B
Image
General
Full URL
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Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.220.223.247 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-54-220-223-247.eu-west-1.compute.amazonaws.com
Software
/ Express
Resource Hash
a065920df8cc4016d67c3a464be90099c9d28ffe7c9e6ee3a18f257efc58cbd7

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 03 Nov 2022 07:09:43 GMT
x-powered-by
Express
etag
W/"2b-B//0C13UlayirE4cP7xgqg"
p3p
CP="ADMa OUR IND DSP NON COR"
access-control-allow-origin
*
content-type
image/gif
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
access-control-allow-headers
origin, content-type, accept
content-length
43
expires
0
ga-audiences
www.google.com/ads/
42 B
107 B
Image
General
Full URL
https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j98&tid=UA-21595814-1&cid=692793390.1667459384&jid=1972953995&_u=YEBAAEAAAAAAACgAI~&z=839987083
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 03 Nov 2022 07:09:43 GMT
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.de/ads/
42 B
501 B
Image
General
Full URL
https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j98&tid=UA-21595814-1&cid=692793390.1667459384&jid=1972953995&_u=YEBAAEAAAAAAACgAI~&z=839987083
Requested by
Host: www.duolingo.com
URL: https://www.duolingo.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.duolingo.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 03 Nov 2022 07:09:44 GMT
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
01e612e7-7c46-4fc0-8626-d383aecc9dca
https://www.duolingo.com/
787 B
0
Other
General
Full URL
blob:https://www.duolingo.com/01e612e7-7c46-4fc0-8626-d383aecc9dca
Protocol
BLOB
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
7bc3936462ee19be8ae070945fd0218f452ba7d328bc67af569c8a9cc898c617

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

Content-Length
787

Verdicts & Comments Add Verdict or Comment

104 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| 0 object| 1 object| 2 object| 3 object| 4 object| onbeforeinput object| oncontextlost object| oncontextrestored function| structuredClone object| launchQueue object| onbeforematch function| getScreenDetails function| queryLocalFonts object| navigation object| OneTrustStub function| OptanonWrapper object| duo object| webpackChunk boolean| supportsES2015 object| features boolean| isAbc object| HIDE_APP_SMART_BANNER_PATH undefined| el string| OnetrustActiveGroups string| OptanonActiveGroups object| dataLayer object| otStubData object| $$$ boolean| ozoki_sv function| xFn function| fFn function| bFn string| postUrl function| _fs_ready function| _rollbarURH function| ga object| gaDevIds object| gaplugins function| HowlerGlobal object| Howler function| Howl function| Sound function| __extends function| __assign function| __rest function| __decorate function| __param function| __metadata function| __awaiter function| __generator function| __exportStar function| __createBinding function| __values function| __read function| __spread function| __spreadArrays function| __await function| __asyncGenerator function| __asyncDelegator function| __asyncValues function| __makeTemplateObject function| __importStar function| __importDefault function| __classPrivateFieldGet function| __classPrivateFieldSet object| google_tag_manager object| google_tag_data string| saved_tc string| saved_sc string| GoogleAnalyticsObject object| GooglebQhCsO function| fbq function| _fbq object| GlobalAdalyserNamespace function| adalyserTracker object| Optanon object| OneTrust object| gaGlobal object| gaData function| adalyserModules function| trackerCore function| rng object| _rnds8 undefined| _rnds function| parse function| unparse function| v1 function| v4 object| _byteToHex object| _hexToByte object| _seedBytes object| _nodeId number| _clockseq number| _lastMSecs number| _lastNSecs function| uuid function| cookie string| queueName function| queue function| sha1 function| api object| mutState object| AdalyserTracker function| miCallback

21 Cookies

Domain/Path Name / Value
.duolingo.com/ Name: logged_out_uuid
Value: b5e664fa-ec52-4dc9-bc83-c2e23d66964b
.duolingo.com/ Name: lang
Value: de
www.duolingo.com/ Name: wuuid
Value: 4b0f1a06-7595-41e3-8009-76f9a0859ddd
.duolingo.com/ Name: tsl
Value: 1667459383427
.duolingo.com/ Name: lu
Value: https://www.duolingo.com/
.duolingo.com/ Name: initial_referrer
Value: $direct
.duolingo.com/ Name: lr
Value:
.duolingo.com/ Name: lp
Value: splash
.duolingo.com/ Name: _gcl_au
Value: 1.1.1707755095.1667459384
.duolingo.com/ Name: _ga
Value: GA1.2.692793390.1667459384
.duolingo.com/ Name: _gid
Value: GA1.2.1393320484.1667459384
.duolingo.com/ Name: _gat_UA-21595814-1
Value: 1
.duolingo.com/ Name: OptanonConsent
Value: isGpcEnabled=0&datestamp=Thu+Nov+03+2022+07%3A09%3A43+GMT%2B0000+(GMT)&version=6.16.0&isIABGlobal=false&consentId=446eaf18-5a01-4684-b103-e6c5564641bc&interactionCount=0&landingPath=https%3A%2F%2Fwww.duolingo.com%2F&groups=C0001%3A1%2CC0002%3A0%2CC0003%3A0%2CC0004%3A0&hosts=H3%3A1%2CH14%3A1%2CH11%3A0%2CH1%3A0%2CH15%3A0%2CH6%3A0%2CH22%3A0%2CH2%3A0%2CH7%3A0%2CH16%3A0%2CH9%3A0%2CH18%3A0%2CH10%3A0%2CH12%3A0%2CH13%3A0
.doubleclick.net/ Name: test_cookie
Value: CheckForPermission
.duolingo.com/ Name: _fbp
Value: fb.1.1667459383922.903349768
.duolingo.com/ Name: __adal_ses
Value: *
.duolingo.com/ Name: __adal_id
Value: 28f3b2f4-d5ab-4b69-ae8b-714a43e42560.1667459384.1.1667459384.1667459384.3d66de10-602e-46a4-ac41-ea15d7ef7d97
.duolingo.com/ Name: __adal_ca
Value: so%3Ddirect%26me%3Dnone%26ca%3Ddirect%26co%3D%28not%2520set%29%26ke%3D%28not%2520set%29
.duolingo.com/ Name: __adal_cw
Value: 1667459383947
www.duolingo.com/ Name: AWSALB
Value: Ao7rMMV0sgMD+tg7T1kUNMrRzeQbb/vsMxthAJkBrJ9o+7iaZLZuBJ6CfzRbf/mynbb1nS8m4rZuEY209aiirQjdXCk4SR55lQrkv9K5VkL2q6Cfh3Kgsp7V2VFc
www.duolingo.com/ Name: AWSALBCORS
Value: Ao7rMMV0sgMD+tg7T1kUNMrRzeQbb/vsMxthAJkBrJ9o+7iaZLZuBJ6CfzRbf/mynbb1nS8m4rZuEY209aiirQjdXCk4SR55lQrkv9K5VkL2q6Cfh3Kgsp7V2VFc

4 Console Messages

Source Level URL
Text
network error URL: https://zombie.duolingo.com/0/web.json?user=0&ts=1667459383&tzoffset=0
Message:
Failed to load resource: the server responded with a status of 404 ()
worker error URL: blob:https://www.duolingo.com/33f5acfb-c64d-4660-af77-49d102c40309
Message:
Mixed Content: The page at 'blob:https://www.duolingo.com/33f5acfb-c64d-4660-af77-49d102c40309' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'chrome-extension://eppiocemhmnlbhjplcgkofciiegomcon/content/safecheck-notification/notification-iframe/index.html'. This request has been blocked; the content must be served over HTTPS.
worker error URL: blob:https://www.duolingo.com/33f5acfb-c64d-4660-af77-49d102c40309
Message:
Mixed Content: The page at 'blob:https://www.duolingo.com/33f5acfb-c64d-4660-af77-49d102c40309' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'chrome-extension://cplklnmnlbnpmjogncfgfijoopmnlemp/skin/logo24.png'. This request has been blocked; the content must be served over HTTPS.
network error URL: https://brb.duolingo.com/0/web.json?user=0&ts=1667459383&tzoffset=0
Message:
Failed to load resource: the server responded with a status of 404 ()

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Frame-Options SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

brb.duolingo.com
c0.adalyser.com
cdn.cookielaw.org
connect.facebook.net
d35aaqx5ub95lt.cloudfront.net
excess.duolingo.com
geolocation.onetrust.com
googleads.g.doubleclick.net
s.lmepbq.com
stats.g.doubleclick.net
stories.duolingo.com
www.duolingo.com
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googleadservices.com
www.googletagmanager.com
zombie.duolingo.com
142.250.185.66
143.204.215.36
18.203.96.5
2600:9000:2250:5e00:7:60cd:e840:21
2606:4700:4400::6812:2962
2606:4700::6810:9540
2a00:1450:4001:800::2008
2a00:1450:4001:801::200e
2a00:1450:4001:82b::2003
2a00:1450:4001:82f::2004
2a00:1450:4001:831::2002
2a00:1450:400c:c00::9a
2a03:2880:f01c:8012:face:b00c:0:3
2a03:2880:f11c:8183:face:b00c:0:25de
52.44.205.160
54.147.126.156
54.173.81.175
54.220.223.247
99.86.4.128
09a108e010bba119175e567145ded70a0e3df015aebb236e0950434b7b063f19
0d25c4f8566c3384a46ea7afb1bc6294809ab884f9bdca5bdbb780807fa01c64
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1ad02cd3ecbda32ad8cc3198008f769c568268b29d30d8b751bcf363e7086a9d
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2b5daa3ef8f36745ea8d48fd57d1822a6f4cdc7762b9dc483f0cf9cfed094838
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2cf647948337600dbe8558d968ba52007326132a72245429a5fa9c0ba3a46eda
353bcd41d11cc5a2bcb6763c269e41ac785c06ace29ac10053bb7c0fa3bf1ecf
36436862bad916aa0602a3a8a4791a49a2fec82365bbdb8614c5da09be230243
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3aba72eebc8f853cffe9edb441b6c87bd4ed09112ae1973528edb1ce8ce18338
3cd1086b9aa46665fe2ad83ddae0a1ba7806ad97451933c1a53326ecf2217165
43de60f58f47997a3f62dc59cea1ad81dfacbe9a22aa4c3fcf871757e2d8cfbb
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
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b8f2cea67349de6d4f60df597c0693f4c04ce86114f22e54c7c421f82d8e603b
bb361902586a2ba76e8fea66f5f808c8d1fedfb0a6001e3c9a83cc9bba3d6780
bbc4456bca95006683a8f081d0d2ed645eef5b14c62eca12c70f7e1cec26c1a0
bce892ed5de934248a5b7760fc0e8baa1e86f2b1439e467500c08c17e2425597
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eb1fa7363d6e4772f7c49d67f031d68f209e66de6c3c05aade6fdc57a02505c1
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ec078f79e27c3ad2f41eb5340fa93539fa32eaad4eb193ada5c23a497d3b939c
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
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ffc6cb3eaeadca385de3689ec2a96ec12aaf6873e6bfeb39d860244941111792